/*
 * FlowDocs - Toast Notification Component
 * Non-blocking feedback messages (success, error, warning, info)
 * Replaces browser-native alert() dialogs
 */

/* ================================
 * CONTAINER
 * ================================ */

.toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
  max-width: 420px;
  width: calc(100% - 2rem);
}

/* ================================
 * TOAST
 * ================================ */

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--pk-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  border-left: 4px solid var(--pk-gray-300);
  pointer-events: auto;
  animation: toastSlideIn var(--transition-base) ease-out;
}

.toast.toast--removing {
  animation: toastFadeOut var(--transition-fast) ease-in forwards;
}

/* ================================
 * ICON
 * ================================ */

.toast-icon {
  flex-shrink: 0;
  font-size: var(--text-xl);
  line-height: 1.4;
  color: var(--pk-gray-400);
}

/* ================================
 * CONTENT
 * ================================ */

.toast-message {
  flex: 1;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--pk-gray-800);
  word-break: break-word;
}

/* ================================
 * CLOSE BUTTON
 * ================================ */

.toast-close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border: none;
  background: none;
  color: var(--pk-gray-400);
  cursor: pointer;
  padding: 0;
  font-size: var(--text-md);
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.toast-close:hover {
  color: var(--pk-gray-600);
  background: var(--pk-gray-100);
}

/* ================================
 * TYPE VARIANTS
 * ================================ */

.toast--success {
  border-left-color: var(--pk-success);
}

.toast--success .toast-icon {
  color: var(--pk-success);
}

.toast--error {
  border-left-color: var(--pk-error);
}

.toast--error .toast-icon {
  color: var(--pk-error);
}

.toast--warning {
  border-left-color: var(--pk-warning);
}

.toast--warning .toast-icon {
  color: var(--pk-warning);
}

.toast--info {
  border-left-color: var(--pk-info);
}

.toast--info .toast-icon {
  color: var(--pk-info);
}

/* ================================
 * ANIMATIONS
 * ================================ */

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastFadeOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ================================
 * RESPONSIVE
 * ================================ */

@media (max-width: 480px) {
  .toast-container {
    top: var(--space-3);
    right: var(--space-3);
    left: var(--space-3);
    max-width: none;
    width: auto;
  }
}

/* ================================
 * ACCESSIBILITY
 * ================================ */

@media (prefers-reduced-motion: reduce) {
  .toast,
  .toast.toast--removing {
    animation: none;
  }
}